On Tue, Mar 27, 2012 at 5:50 AM, sebb <[email protected]> wrote: > 2012/3/27 "Detlef Günther" <[email protected]>: > > Hello, > > > > it would be nice to have an interpreter for mathematical expressions so > that functions may be defined at runtime. > > > > Example for f(x): > > > > ExpInter ei = new ExpInter(); > > ei.setFunction("ln(3*sin(2*x)+3)"); > > // Plot the function: > > for (double x=0.0;x<3.0;x+=0.1) { > > y = ei(x); > > // ... do something useful with x,y > > } > > > > Seems completely out of scope for Math to me. > > Besides, there are already scripting languages such as Commons JEXL > and BeanShell. >
JavaScript is also baked in Java 6 and you can use any Java scripting enabled engine. Gary > These can call just about any method you want, and BeanShell allows > one to define functions. > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > > -- E-Mail: [email protected] | [email protected] JUnit in Action, 2nd Ed: <http://goog_1249600977>http://bit.ly/ECvg0 Spring Batch in Action: <http://s.apache.org/HOq>http://bit.ly/bqpbCK Blog: http://garygregory.wordpress.com Home: http://garygregory.com/ Tweet! http://twitter.com/GaryGregory
